(color): Point spread function (PSF) and resolution of OFM
Point-Spread-Function-Aware Slice-to-Volume Registration: Application to Upper Abdominal MRI Super-Resolution
... spatial resolution a posteriori by combining acquired orthogonal stacks into a single, high-resolution (HR) ...the point spread function (PSF) ...
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Single-Pinhole Confocal Imaging of Sub-Resolution Sparse Objects Using Experimental Point Spread Function and Image Restoration
... and function in biolog- ical systems (Shotton, ...of resolution by a factor of ...fluorescent point, which is in focus, is not the very same point but a small patch, called diffraction ...
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The influence of different signal-to-background ratios on spatial resolution and F18-FDG-PET quantification using point spread function and time-of-flight reconstruction
... TOF, point spread function [PSF], PSF + TOF). Spatial resolution was determined by fitting the convolution of the object geometry with a Gaussian point spread function to ...
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Reconstructed spatial resolution and contrast recovery with Bayesian penalized likelihood reconstruction (Q.Clear) for FDG-PET compared to time-of-flight (TOF) with point spread function (PSF)
... Spatial resolution, Contrast recovery, Signal-to- noise ratio, TOF, PSF, ...scanner’s point spread function ...spatial resolution [4, 5] and has shown SUVmax increases by > 30% in ...
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CiteSeerX — with unknown Point Spread Function
... the resolution of the observations improves, the field of view often decreases, making it very difficult or even impossible to observe at the same time the field of interest and the relatively bright, isolated ...
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Point Spread Function and Modulation Transfer Function Engineering
... a resolution bar target in the presence of a laser to both validate the proposed imaging system and test if the odd cubic function outperforms the even axicon and vortex ...high resolution and less ...
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Measurement of the point spread function of a noisy imaging system
... In this paper we compare research into several methods to both reduce the noise in the ESF estimation and to accurately model usable PSFs for the acquisition system. In Section 2 we review PSF measurement techniques and ...
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Point spread function engineering for iris recognition system design
... this point of ...optical point spread function (PSF) of the imaging system in conjunction with use of multiple subpixel shifted ...overall resolution of the imaging system ...
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Distortion correction in magnetic resonance imaging using the simulated point spread function
... Temporal Resolution Time plays a critical role in acquisition, as fMRI resolution is both spatial and ...spatial resolution, or the sharpness of an ...temporal resolution (time delta between ...
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A Review on Point Spread Function Estimation TechniquesRitesh Pawar, Dr. Maitreyee Dutta
... blur function can be assumed which give the results whoes does not match with the real imaging model of the optical devices which reduce the restoration ...super resolution process comes in effect, ...
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The INTEGRAL IBIS/ISGRI System Point Spread Function and Source Location Accuracy
... angular resolution of 12 0 . The System Point Spread Function of the telescope and its detailed characteristics are here described along with the specific analysis algorithms used to derive ...
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Point-spread function reconstructed PET images of sub-centimeter lesions are not quantitative
... spatial resolution, but interestingly, they identified problems related to lar- ger spheres and recommended not to use PSF reconstruction for volume segmentation using adaptive thresholding ...
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Direct imaging with highly diluted apertures - II. Properties of the point spread function of a hypertelescope
... between resolution and field of view For a given configuration, it appears also that there is a trade-off between resolution and ...the resolution is improved whereas the CLF is ...low ...
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Euclid : nonparametric point spread function field recovery through interpolation on a graph Laplacian.
... Many nonparametric methods have been proposed to model the PSF from observed stars. Gentile et al. ( 2013 ) reviewed, in the context of GREAT3 ( Mandelbaum et al. 2014 , 2015 ), sev- eral traditional interpolation ...
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Blind Deconvolution of Medical Ultrasound Images Using a Parametric Model for the Point Spread Function
... Medical ultrasound (US) imaging is widely used for clinical diagnosis such as cardiovascular medicine, urology and ob- stetrics. Compared to other medical imaging modalities, e.g., X-ray computed tomography (CT) and ...
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Evaluation of spatial dependence of point spread function-based PET reconstruction using a traceable point-like 22Na source
... a point spread function (PSF), and PSF information was incorporated into a three-dimensional (3D) iterative re- construction [4, ...spatial resolution in the scanner ...spatial ...
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Constraining the Adaptive Optics Point-Spread Function in Crowded Fields: Measuring Photometric Aperture Corrections
... in resolution and sensitivity, there remain significant obstacles to the full anal- ysis of these ...AO point-spread function (PSF) is arguably the most serious of these ...
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Point Spread Function Determination in the Scanning Electron Microscope and its Application in Restoring Images Acquired at Low Voltage
... 3.2.2 Image Collection and Processing The calibration sample is imaged in the SEM of interest with sufficient pixel size to ensure a high-resolution rendering of the PSF. As an example, if 20nm calibration ...
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Lecture 14. Point Spread Function (PSF)
... Point Spread Function (PSF), Modulation Transfer Function (MTF), Signal-to-noise Ratio (SNR), Contrast-to-noise Ratio (CNR),.. and Receiver Operating Curves (ROC).[r] ...
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Point Spread Function Estimation for a Terahertz Imaging System
... estimated point spread function is tested by using it to deconvolve images of a scene containing manufactured objects with good reflective ...the point spread function estimation ...
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